(BANG) - Paris Hilton has ditched Nicole Richie from the fourth series of their Simple Life TV show - after a joke went wrong.
The blonde heiress had invited friends round to watch a video of her Saturday Night Live performance - but prankster Nicole reportedly put on Paris' infamous sex tape instead.
After a massive row, the former best friends are said to be completely ignoring each other.
Paris said: "It's no big secret that Nicole and I are no longer friends. Nicole knows what she did."
The 24-year-old hotel millionaire is now drawing up a short-list of possible pals for the programme - which is said to include Lindsay Lohan, Mary-Kate Olsen and Kimberley Stewart.
A spokesperson said no decision had been made on the new MTV series.
Nicole is now launching a solo singing career and promises her debut album will hit the shelves later this year.
She said: "It's a mixture of rock and soul and a little bit of dance as well."
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